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Oslo Stock Exchange All Share Index GJR-GARCH Volatility Analysis

Volatility prediction for Friday, October 2nd, 2026

1 Day

13.69%

increased by 0.39%

1 Week

14.17%

increased by 0.87%

1 Month

15.60%

increased by 2.30%

Analysis last updated: Friday, October 2, 2026 at 05:47 PM UTC

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Date Range:

from

10/01/2024

to

10/01/2026

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

All

graph of Oslo Stock Exchange All Share Index GJR-GARCH

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Jan 1, 1990 to Sep 25, 2026

Model Insight

This asset exhibits a strong leverage effect: negative returns increase next-day volatility 251% more than equivalent positive returns.

σ

GJR-GARCH Model

Tap to view equation

Leverage: Negative returns increase volatility 251% more than positive returns
ParamValuet-stat
ωconst0.0569
4.81***
αARCH0.0505
4.62***
βGARCH0.8474
60.09***
γleverage0.1267
4.48***

0.961

Persistence

18d

Half-life
σ

GJR-GARCH Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

0.0569
4.81***
α

ARCH

Response to squared shocks

0.0505
4.62***
β

GARCH

Volatility persistence

0.8474
60.09***
γ

leverage

Additional response to negative shocks

0.1267
4.48***

Persistence:

0.961

Half-life:

18 days